Description: An elimination deduction. (Contributed by Alan Sare, 5-Feb-2017) (Proof modification is discouraged.) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypotheses | eelT.1 | |- ( T. -> ph ) |
|
eelT.2 | |- ( ph -> ps ) |
||
Assertion | eelT | |- ps |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eelT.1 | |- ( T. -> ph ) |
|
2 | eelT.2 | |- ( ph -> ps ) |
|
3 | 1 2 | syl | |- ( T. -> ps ) |
4 | 3 | mptru | |- ps |